There is a multitude of actions that you can perform by typing / followed by a command into the chat.

Switch to one of your saved Looks by typing /look followed by the look name:
/look look name

Here are some other commands you can try:
• /action
• /dance
• /emote
• /pose
• /angry

• /applaud

• /bored

• /clap

• /ecstatic

• /happy

• /here

• /laugh

• /lol

• / neutral

• /no

• /sup

• /sad

• /sit

• /wave

• /yes

Have fun!