1) End a hug 2) Let go 3) Let go of 4) Loosen 5) Open 6) Release 7) Release from a clasp 8) Relinquish 9) Remove a brooch 10) Remove a necklace 11) To become unfastened 12) Unfasten Found on https://www.crosswordclues.com/clue/unclasp
• (v. t.) To loose the clasp of; to open, as something that is fastened, or as with, a clasp; as, to unclasp a book; to unclasp one`s heart. Found on http://thinkexist.com/dictionary/meaning/unclasp/