cinches
cin-ches
noun
Straps used to secure items, especially saddles, or tasks that are extremely easy.
"The saddle cinches were checked carefully."
verb
Secures something tightly with a strap, or makes an outcome certain.
"He cinches the rope around the post."
Thesaurus
Synonyms: girth, pushover, picnic, walkover, snap, duck soup, breeze, child's play, piece of cake