Movable bookends which attach to the shelf above by way of a rack should be installed and used in addition to proper sized traditional bookends.
(Movable bookends; attach above; ) (Movable bookends which attach to the shelf above by way of a rack; should be installed; ) (Movable bookends which attach to the shelf above by way of a rack; used; L:in addition to proper sized traditional bookends)
Movable bookends Movable bookends which attach to the shelf above by way of a rack Movable bookends which attach to the shelf above by way of a rack
attach above should be installed used
L:in addition to proper sized traditional bookends