Fixes cheap lighters burning body parts other than the hands they're being held in

Fixes #5274

Retrieved the code lost in [this merge](https://github.com/Baystation12/Baystation12/commit/1c9b04ec74d1aefd1e3bdd10217f64e247d68aea#diff-fc8c9ab91734d0f9c6941329d5852c1fL361), tested working on current master.