Salomon is a shoe company that makes a wide range of trail running shoes, all of which use an unusual lacing technology. Instead of two laces being tied into a standard knot, Salomon shoes are laced with a single loop of Kevlar lace that is pulled tight through a plastic clip containing a friction gear. While these laces are quite durable, they will eventually wear down under heavy use. With a replacement kit -- available online or at a shoe store -- a screwdriver, and a bit of time, your Salomon shoes will be back on the trail.
Cut and remove your old laces. Save the rubber tube that you grip to pull the laces tight.
Pass one end of the lace through the fabric loop near the toe of the shoe. The replacement laces should have loops on their ends; pull the lace through its own loop to secure it to the shoe (in a similar way to how you would attach a camera strap).
Cut the loop off the other end of the lace. You will not need it later, and it makes it difficult to lace the shoe.
Burn the tip of the lace where you cut the loop off. This will keep it from fraying.
Thread the lace through the first eyelet on the opposite side of the shoe from the point where you tied the lace on.
Pull the lace across the shoe and through the next eyelet up on the other side; continue this until the lace reaches the top of the shoe, with half the eyelets used.
Push the end of the lace through the plastic gear housing and then through the rubber tube you saved from the old laces.
Thread the lace back and forth down the shoe through the remaining eyelets.
Push the plastic friction gear into the curved size of the plastic housing; you can use the side of a small screwdriver to press it into place.
Adjust the length of lace on the shoes until there is enough slack in the loop above the plastic housing to allow the shoes to be loosened enough for easy removal, but not so much that there is a large loop of lace that you could trip on.
Tie the end of the lace around the last loop that it passed through and burn the end to prevent the knot from fraying. Your shoes are now laced and can be tightened by pulling just as before.