mediumwhat am-i

What do you throw out when you want to use it, but take in when you don't want to use it?
Common Wrong Answers
“A fishing line”
A fishing line is used to catch fish and is not thrown out when wanting to use it; instead, it's typically pulled in when not in use.
“A net”
A net is usually deployed to catch fish or items, and it is not thrown away when you want to use it; it is pulled in when you’re done.
“A rope”
A rope is often used for various purposes, but it is not typically thrown out when wanting to use it; instead, it is tied or secured.