Bench grinder tool sharpening jig. By JSK-koubou. 11:14 video:
https://www.youtube.com/watch?v=9Y3vLDci2vo
Previously:
https://www.homemadetools.net/forum/...461#post154812
https://www.homemadetools.net/forum/...994#post153124
https://www.homemadetools.net/forum/...881#post152611
https://www.homemadetools.net/forum/...726#post152049
https://www.homemadetools.net/forum/...498#post151231
https://www.homemadetools.net/forum/...376#post150752
https://www.homemadetools.net/forum/...246#post150109
https://www.homemadetools.net/forum/...733#post147998
https://www.homemadetools.net/forum/...644#post147625
https://www.homemadetools.net/forum/...003#post144992
https://www.homemadetools.net/forum/...457#post142766
https://www.homemadetools.net/forum/...723#post143744