MKM Tools RL107 6 cm Big 'V' Grooves Design Self Hardening Clay there is no gain in

there is no gain in drying properties (the most common reason for adding grog to clay bodies)

which prevents glaze from sticking to the shelves

the fired color with copper oxide is more intense than copper carbonate

Made from the the below mentioned recipe

This tool cuts a round 1/2" diameter hole

MKM Tools RL107 6 cm Big 'V' Grooves Design Self Hardening Clay there is no gain inRL Large Handle Rollers have a rolling design face that is 6 cm (2. 4 inch) across. The Large Handle Rollers are designed to roll across clay or other soft media to create patterns along straight lines, curvy lines, and borders. For best results, we recommend using the RH 1 Handle with the RL Roller.