The comic uses a wrench, "rubber hose" is the older way of phrasing it: https://en.wikipedia.org/wiki/Rubber-hose_cryptanalysis https://en.wikipedia.org/wiki/R

The comic uses a wrench, "rubber hose" is the older way of phrasing it: https://en.wikipedia.org/wiki/Rubber-hose_cryptanalysis https://en.wikipedia.org/wiki/Rubber-hose_cryptanalysis