The term 'It's a cinch' is an idiom that means something is very easy to do. The crossword solutions for this term are CORSELET (8 letters), BELT (4 letters), SASH (4 letters), and STRAP (5 letters). A corselet is a type of armor that covers the torso, while a BELT is a band of material worn around the waist. A SASH is a long strip of fabric worn over one shoulder and across the body, and a STRAP is a narrow band of material used to secure or fasten something.