I bet this can take a giant throbbing 18inch diameter torpedo in the poop deck?
(https://www.grogheads.com/forums/proxy.php?request=http%3A%2F%2Fi.guim.co.uk%2Fstatic%2Fw-700%2Fh--%2Fq-95%2Fsys-images%2FGuardian%2FPix%2Fpictures%2F2015%2F5%2F13%2F1431515415676%2Ff4c2dd9d-f0a3-4ee6-aee6-520b85ae5f64-620x372.jpeg&hash=bd71373a8ce75069c0735892c25dea902967562d)
http://www.theguardian.com/world/2015/may/13/swedish-peace-group-trolls-russian-submarines-with-gay-defence-system
Saw that yesterday. You found better images.
Hilarious.
Looks like something they could easily get stuck on their propeller shaft.
They should have used Grinder for Submariners