4 ms·I read they're prized for curing male impotence, because you know... They have hard scales.by robbyt 7y agoI read they're prized for curing male impotence, because you know... They have hard scales.balola 7y agoA lot of things in TCM do that, like tiger/bull cock or antler, even garlic chives, beef, sheep or kidney.SI_Rob 7y agoIIRC the term for this is "sympathetic magic"