Safety is important of course, working ventilated area and protect the butane source from heat (in this case the feed tube keeps it away from the burner). Some other projects you may find ...

There are three major problems when it comes to cooking stir-fry: woks are typically unstable on normal burners ... So, why not use two butane canisters to double the output to 22,200 BTUs!

Yorten Portable Gas Stove Square-Shaped Gas Butane Burner Camping Stove Folding Furnace Stove travelling Stainless Steel Cooking Stove with Storage Bag (gas stove + bottal) The SHINESTAR Portable ...

In addition to wok cooking ... to turn on the burner or oven. All that said, with great (fire) power comes great ...