Baby Relax DA76048-2SIL Manuel D'instructions page 6

Dresser Topper
STEP 1
Insert wood dowels (5) and barrel nuts (6) into the front rail (A).
Attach left and right side rails (B & C) to the front rail (A) with bolts (1), spring
washers (3) and flat washers (4).
Use Allen key (7) to tighten the bolts.