Step 1: What You'll Need
Step 2: Cut the Lace to Fit Your Jean Cuffs
Step 3: Cut the Heat Bond
Step 4: Iron Heat Bond to Jean Cuffs
Remove the paper backing from the Heat Bond.
You'll want to make sure your lace overlaps at the seam so you don't have a visible edge.
Repeat for the other cuff.
Put on your jeans and roll up your cuffs.