The Bar Method Black Stretching Strap - Brand NewPlease Visit Our About Me Page! The Bar Method Black Stretching Strap Product Description: The Bar Method double looped stretching strap an aid to increasing your strength and flexibility. Excerpt from Burr's Blog: Stretching Strap: The Bar Methods stretching straps mainly make hamstring stretching more doable. Students with shoulder issues have also found them useful during flat back. By looping two straps over the bar and holding onto their ends,