hanging loop

Short definition from Wiktionary

Noun

1. 1
   Used other than figuratively or idiomatically: see hanging, loop.
2. 2
   A loop for the purpose of hanging an article on a hook, another loop, or similar: A cloth strip at the collar of a coat, jacket; on a tea towel, an umbrella etc
3. 3
   A loop for the purpose of hanging an article on a hook, another loop, or similar: A loop made of other material, as rope or metal, attached to tools, pendants, picture frames, etc.