Clutches are any design of handbag that is to be carried in the palm of the hand instead of over the shoulder or from a handle. Clutches may or may not have a strap or chain in order to convert the handbag into a shoulder strap purse. If Clutches are convertible the should straps are often folded into the purse for storage and convenience.
About Trifold:
A Trifold is a folding case or Wallet composed of three panels which are used for carrying personal items such as credit cards, cash and identification documents. These folds or panels usually feature an inner face with compartments. When the folds are away from each other, the Trifold can be opened on the upper edge to allow the placement of paper money or small documents.