The #shockknife can be a fun tool to play around with to produce stress. Here’s some footage from a seminar in Master @peterlogozar club @ljungbytaekwondoitf back in 2015. Great times with great people! #itfsweden #itfradix #itfdenmark #ntkd #ntnselvforsvar #itftaekwondo (ved Ljungby, Sweden) https://www.instagram.com/p/B1iru9sAzEl/?igshid=aeiumonzsy35









