Nite Ize Knot Bone Shoe Lace Locks - Black The KnotBone LaceLock is perfect for anyone who likes it when their shoes stay tied - from serious athletes on the field to toddlers on the playground. With a simple wrap-and-lock maneuver, this clever little device eliminates the need to tie your shoes - adjust your laces to the tension you want, lock them down, and they stay that way throughout your entire day. But of course you don't have to be an athlete to appreciate the comfort of a well-fitting shoe, or the convenience of never having to tie, re-tie, double-tie or untie your laces again. Our KnotBone LaceLock works on almost any lace-up shoes, delighting tie-free owners of all ages in the process. Packaged with two KnotBone LaceLocks and two Lace Caps Works with almost every shoe or boot lace on the market Can be configured to tighten and secure your laces or can be used to quickly cinch your laces without locking - perfect for slipping your boots on to run to the mailbox or other quick tasks without having to tie your laces