This Jobon one sigle flame lighter is so far the best one I had… and I tried a lot trust me. It's $4-$5 on AliExpress, just write “Jobon one single flame torch
Best single flame torch with a large tank? : r/Dynavap
Best single flame torch with a large tank? : r/Dynavap
Aomai Blaze The BEST Single Torch Lighter for DynaVap Vape NZ
Attache Single Flame Lighter For DynaVap – The VapeLife Store