Can I use this sign to mean 'stop'?
While 'finish' means something is completed or done, 'stop' has its own specific sign, which involves a chopping motion from one hand onto the palm of the other. You should use 'finish' for tasks that have reached their natural conclusion, and 'stop' for abruptly halting an ongoing action.
Do I need to mouth a word when signing 'finish'?
Many fluent signers use a specific mouth movement, often looking like they are saying 'fish' or 'pah', when signing 'finish'. This facial grammar emphasizes that a task is completely done. While it is not strictly required for beginners, incorporating it will make your ASL look much more natural and expressive.
Can I sign 'finish' with one hand?
Yes, in very casual or fast-paced conversations, some signers might drop their non-dominant hand and sign 'finish' using only their dominant hand. However, using both hands is the standard, most formal, and clearest way to sign it, so beginners should stick to the two-handed version until they are comfortable.