“The yellow flame butane pipe insert is of poor design. You will burn your thumb significantly because the button has to be depressed the entire time for the flame to stay on. The flame is waay too close to the button. I cannot recommend this product. . . unless you like a scorched thumb.”
“was a little finicky to fill and doesn't always light if you strike it too fast, but otherwise works and adds a little practicality for those of us who don't use Zippos every day”
“These are very touchy and over the past week using them they light/fire about 25% of the time. They will work for 6-10 fires and then completely stop.”