"Shackles (Praise You)" is the debut single by American gospel singer-songwriter duo Mary Mary, released on February 29, 2000, in the United States. It is considered the group's signature song. Stan North of GospelFlava.com deemed it one of the pioneer songs of urban gospel music. The song was originally released as a promotional single for their debut album, Thankful, in 1999. They both feature the same track listing but different album covers, the second using a picture of the duo.