The Slot Crimp line is unique in that they force you to crimp without your thumb. Essentially they are open-handed crimps.
Slot Crimp #1: You can grab it with 2 fingers open-handed or you can stack crimp it with 3 fingers.
Slot Crimp #2: 3 fingers wide; 3/4 pad deep, slightly incut.
Slot Crimp #3: 4 fingers wide; 1/2 pad deep.
Slot Crimp #4: 4 fingers wide; 1 pad deep and steeply incut.
Smooth Yaniro texture.