Flippers, a dynamic diabolo trick

A flipper, aleta in Catalan, is a short and precise hit on the axle of the diabolo. Usually it’s done with the stick, but the key is the clean contact on the axle and the immediate release. The stick strikes with a quick gesture, the diabolo reacts, and changes direction clearly.

The name comes from pinball: the flipper is the lever that hits the ball and changes its direction. If you’re into the world of skate, it may remind you of a “kiss the rail,” a controlled touch that makes contact and goes away, enough to redirect without slowing down. That’s the intention: a clean contact, the minimal expression of a grind.

Two of the flippers I’ve found

What to do to solidify it.

Basic training starts with short grinds and a receiving stick ready, like a passing station. First, hits outward and inward to observe trajectory differences. Then, small height variations to check how the curve changes. Finally, series of two or three actions alternating grind and flipper, with clear breaths between gestures.

Principles that support the trick

• Sharp and precise hit the movement must be short, clean, and directed.
• Reading the spin. Knowing which way it spins and with what energy, to anticipate the tilt of the receiving stick.
• An elastic movement. Quick cushioning on the catch, which stabilizes in order to explode in the opposite direction.

The most common mistakes when learning a flipper have to do with angle. If the tilt of the stick doesn’t match the direction and energy of the spin, the diabolo goes somewhere unexpected. It also fails when the contact with the stick is too long: it stops being a “kiss the rail” and turns into a grind, the diabolo gains traction on the stick and the trajectory changes without control. The fix is to adjust the angle according to the spin and reduce the contact time to a short, clean touch.

A flipper placed in time cuts the line and redirects it without extra steps. It lets you change direction quickly, adjust height, or correct a drift while keeping the spin alive. It’s a short accent that gives order to the sequence and makes it readable.