Pickboy Picks – Vintage Tortoiseshell. Material: Cellulose. Packs of 12. Made in Japan. 1.20mm.Experience the timeless quality of Pickboy’s Vintage Tortoiseshell picks, crafted from classic genuine cellulose. Designed to mimic the feel and sound of traditional tortoiseshell, these vintage-inspired plectrums deliver an authentic playing experience of warmth and character.