To provide a wrist rest or a wrist rest cushion which is detachable on a hand rest part in an embedding machine and can adjust thickness on the hand rest part in an easy and selective manner.SOLUTION: A wrist rest which can be detachably attached to an embedding machine 10 performing embedding by dispensing an embedding substance on an embedding tray includes an attaching mechanism 22 for performing attaching in an arrangement for covering all or part of a hand rest part of the embedding machine 10.SELECTED DRAWING: Figure 6
展开▼