 Modern cellos have an endpin at the bottom to support the instrument (and transmit some of the sound through the floor), while Baroque cellos are held only by the calves of the player.Modern bows curve in and are held at the frog; Baroque bows curve out and are held closer to the bow's point of balance.Modern strings normally have a metal core, although some use a synthetic core; Baroque strings are made of gut, with the G and C strings wire-wound.