Thai Motor and Pestle in toronto
Ideally you want to find a wood mortar and stone pestle, or vice versa. Vientiane Trading used to have them when they were on Spadina 20 yrs ago. Now they are in a warehouse in Etobicoke.
Maybe try them:
Vientiane Trading Co.Ltd.
51B Jutland Rd, Toronto, On M8Z 2G6
Tel, 416 743 2911
Fax 416 743 8004