Genuary 15 ࿐ Sine Wave Finger Trap #4

Classic + Rainbow version

move desktop mouse to escape the trap
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A finger trap (also known as a finger puzzle, thumb cuff, handcuffs, and similar variants) is a gag toy used to play a practical joke on unsuspecting children and adults. The finger trap is a simple puzzle that traps the victim's fingers (often the index fingers) in both ends of a small cylinder woven from bamboo. The initial reaction of the victim is often to pull their fingers outward, but this only tightens the trap. The way to escape the trap is to push the ends toward the middle, which enlarges the openings and frees the fingers.