BlissHome Hairy Bikers Pestle and Mortar, Medium, Blue by Hairy Bikers. $49.68. Blue glazed exterior and cream unglazed interior. Stoneware pestle and mortar. Bash together a really authentic pesto, guacamole or hummus in this generously sized stoneware mortar. Equally good for left or right-handers, it has two deep thumb grips and a ridged pestle handle, and the unglazed inside of the bowl adds extra abrasion.