HOW TO ASSEMBLE YOUR NEW KD BACK SYSTEM To assemble back to nuns, place Bracket B Into Sleeve A, Press top of hack dow filmy until you hear the retaining clip pop and lock Into place, To remove, Insert u flat head screwdriver hatstand the clip on Sleeve A, push up on the bottom of the bank post to loosen Sleaze A from Bracket B. Repeat procedural on opposites side.