It took us 3 years of experimenting with different designs and testing them in springs to come up with SparingEDC. In combines quality EVA foam, 3 types of cover fabrics, strings and some silicone glue put together in very precise way so that it protects Your hand but will also bend on a hit so that Your partner will not get his bones shattered. SparingEDC is hand made with emphasis on quality, solid grip and universal size. In other words, if You would like to safely spar with knifes, this is a product You were waiting for.
Please find full product description and movies here:
https://streetsafe.pl/index.php/en/accesories-and-other/89-sparringedc-training-knife