What’s the difference between poi linear extensions, trammels, and cateyes? All 3 moves are ways to create ellipses with the poi in a single beat. In linear extensions, you are always extending the reach of the poi past the path of the hand and constraining that hand path to a single axis of movement. In trammels, you also constrain the handpath, but limit the reach of the poi to the edges of that path, looping the poi around the hand. In cateyes, both actions are taking place at the same time a