MOTA Skates Mojo boots are anatomically designed and require MOTA heel lifts in either 5mm or 7mm, for correctly mounting the plate, which will promote the correct skating posture, stability and agility. Mota heel lifts are made of a plastic and rubber compound that is flexible and provides dampening. MOTA heel lifts have the mounting holes pre-drilled to accommodate Mota BOSS plates as well as all other plates. You simple use the side that says 'MOTA' for the BOS plate or 'Generic' for all others. Choose a 5mm or 7mm heel lift, comes a set of Set of 2 Heel Lifts.