Two pairs of scissors: one with straight long blades and sharp tips, another - with short blades and rounded tips, 2. (zooclub.ru)
The Speedo short blade fins are for those swimmers who want to increase their speed and power. (myintimcity.com)
This means that Deadpool might have used katanas with short blades in some shoots to allow him unsheathe the weapon from his back quickly. (superfans.website)