Slipknot’s Jay Weinberg has announced a one-night-only “Loyal To The Craft” drum workshop. The free event will take place at the House Of Machines in Los Angeles, California on November 6 and fans can RSVP HERE. .@Vans_66 presents: Loyal To The Craft Tour featuring @jayweinbergdrum of @slipknot One Night ONLY Live in the USA! House…