Jean Charles Dugain produced the first ergonomic picks back in 1982. The picks are carved on both sides, in front to receive the thumb, in the back ro receive the index. This Mini Dugain is 27.1mm x 2.20mm x 2.3m(thickness)
If you plan to purchase more than one pick I will charge you one time $3.50 shipping up to four picks. Anything more it's free shipping. You need to contact me before ordering for me to arrange this.
Please contact me for International shipping