The Difference Between KUBEE's Two Ends
Two weeks in, most people find they've been using one end, at one setting, the whole time.
What the curved end and the broad end of KUBEE each do, how the shape changes the angle, and which settings actually match each one.
The Short Answer
The curved end is the working end. Its angle is what lets the tip reach without the base having to lever against you. The broad end stays outside, and its job is threefold: it stops over-insertion, it gives you something to hold, and it houses the controls. Most of the useful adjustment happens on the curved end and in the settings, not in how hard you push. If a session feels like it isn't working, change the angle before you change the mode.
Two Ends, Two Jobs
A curved massager is not symmetric, and the asymmetry is the design. One end tapers and bends. The other is wider, flatter, and stays where you can reach it.
That split solves a specific problem. The insertable portion has to follow a curve inside the body that isn't a straight line. If the whole device were rigid and straight, the base would have to act as a lever against the perineum every time the tip moved. By putting the bend in the shaft and the anchor outside, the device can sit at an angle without pressing anywhere it shouldn't.
The practical result: the broad end is a reference point. Where it sits tells you how deep the curved end is, and it keeps that depth constant while you move.
What the Curved End Actually Does
The curve is doing two things at once. It shortens the reach needed to get the tip to the right spot, and it converts a push into a rotation.
That second part matters more than people expect. Straight insertion moves along one axis. A curved end can be rocked or turned slightly, and a small rotation at the base becomes a noticeable sweep at the tip. Over 10 modes, the difference between mode 3 and mode 6 is mostly amplitude and rhythm, and neither one helps if the tip is aimed a half inch off.
The taper matters too. A narrower tip is easier to seat at the right angle, which is why the first 30 seconds are usually the least comfortable part of a session and the rest is not.
Why the Broad End Stays Outside
The wide end is the part people underestimate. It isn't decoration and it isn't a handle in the ordinary sense.
First, it's a stop. The width makes deeper insertion physically impossible, which is the safety function and the reason the device can be used without watching what you're doing. Second, it's a grip. The broad face is what you hold when you adjust angle, and holding there keeps your fingers off the part that needs to stay clean. Third, it carries the controls and receives the remote, which is why the buttons are where they are.
At roughly 40 dB on the low modes and closer to 45 dB at the top, the device is quieter than a conversation. The remote reaches about 30 feet, so the broad end can be the only part you touch during a session. That's the real function of the shape: it lets one person stay still.
Settings That Match the End
Pair the setting to what the end is doing, not to how intense you want the session to feel.
- Seating the tip: the lowest 1 or 2 modes, no rotation. Movement during insertion is what makes it uncomfortable.
- Positioned and settled: modes 3 to 5, with slow rotation at the base. This is where most sessions stay.
- Short, deliberate work: modes 6 to 8, still with the base held steady. Higher modes reward a still hand.
- Top 2 modes: brief. Ten minutes at the top is usually less effective than twenty in the middle.
One habit worth breaking: starting at the top because the lower modes feel like nothing. The first 2 minutes are for seating, and by the time the third minute passes, the angle should feel settled rather than approximate.
Where the Shape Stops Helping
The curve assumes a particular anatomy and a particular angle, and it won't suit everyone. If lying on your side puts the base where you can't comfortably hold it, the shape is working against you rather than for you.
The broad end is also a limitation in one specific way: it's wide enough that it can feel like pressure on the perineum after 20 minutes, especially on a hard chair or a firm mattress. A folded towel under you fixes most of that, but not all of it.
And the remote is not a substitute for positioning. It moves the settings, not the tip.
Who Should Skip This Shape
If you want something that works without any attention to angle, this is the wrong design. A curved device rewards a little setup and punishes improvisation.
Skip it if you've found that internal pressure is uncomfortable rather than interesting, or if you want a device you can use lying in any position without thinking about where the base is. The shape is the feature, and it's also the constraint. That's the honest trade, and it's worth knowing before you buy rather than after.
Start With the End That Fits Your Body
One curved device, one hand-held remote, and a setting range wide enough to find the angle first and the intensity second.
- KUBEE: a curved-head massager with a broad external base, 10 modes, roughly 40 dB at 3 feet on the low settings, and a remote that works from about 30 feet. Best for anyone who wants the base to stay put while the controls stay in hand.
- Browse the Customer Favorites collection for shapes that suit different angles and different hand positions.
- Related reading: how to switch between the two ends mid-session without losing the setting you found.
- Also new this week: packing KUBEE for a week away covers what the shape means for a bag.
Sources
- Cleveland Clinic — general patient information on pelvic anatomy and comfortable insertion.
- Planned Parenthood — general education on lubricant use and internal massage.
- Occupational Safety and Health Administration — reference data on common sound levels in decibels.
This article is for general education and is not medical advice. If internal pressure is painful, stop and speak with a clinician.
