Can I take my laser key cahain and turn it into a burnning laser to lite stuff on fire?

mine hasent
Yes you can all you need is a saldaring iron and a laser careflly take the laser out of holding get the iron and melt the green thing under the laser(this will disable it) now carefully put laser back in holding and shine it on a match.KaBooM!!!!!!!!!!!!!!!!!!!!!>>>>>>>>>>>>>you got a laser burning thinga magiger something idk . BYE!!!
will this burn out the laser eventually?