Propane Torch Weed Burner Torch Heating Torch with 6.56 FT Hose and 1 Nozzle https://www.amazon.com/dp/B092VMLBD1/ref=cm_sw_r_cp_api_glt_fabc_17VHSEG49VZ22FKDF6GQ?_encoding=UTF8&psc=1

I’ve had most success using one of these personally. Also it’s quite fun.