Leica 16003 MultiFunction Handgrip S The Multifunction hand grip S fulfills a double purpose: it accommodates an additional battery and thus improves the power supply and it offers a comfortable hold when the camera is used in portrait format. A second shutter button, a second click wheel and AF/AE lock button make portrait photography easier. a dual purpose: it holds an additional battery, improving the power supply, and offers a comfortable grip for vertical formats. A second release button and a click wheel facilitate freehand photography, which is ideal for shooting portraits, for example. The Leica Hand Strap S is also available. It is made of neoprene and uses innovative Velcro that allows perfect grip and security.