Charlie's "DS" ring. This ring, bearing the initials, "DS," was worn by Charlie on his right hand middle finger and is a Pace family heirloom. It bears the initials of Dexter Stratton, Charlie's great-grandfather. The ring was passed down to Charlie's brother, Liam, and he named their band, "Drive Shaft," after the initials on the ring. Liam, however, gives the ring to Charlie, deeming him more of a family man with a greater likelihood of passing the ring along to an heir. Charlie wore the ring for the 91 days he survived on the Island, and it is featured prevalently in the episode, "Greatest Hits."