Apply patch to what ever you like
Place cloth between iron and patch
Iron for 20/30 seconds
Once affixed iron the other side20/30 seconds,pressing firmly.
Do not use till completly cooled.
If Patch does not fix completly increase heat and do steps again,
If after a few days patch becomes unstuck its because adheasive has not fixed completly due to lack of heat, Repeat step over again.
Iron Tempeture setting for cotton, steam not recommended .