High-pile faux fleece or "Minky" fabric to trap heat against the skin.
Modern therapeutic muffs often include advanced technology to assist in rehabilitation: "Dirty Masseur" Massage Chair Muff (TV Episode 2014) - IMDb massage chair muff
To maximize comfort and heat retention, these muffs typically utilize a multi-layered construction: High-pile faux fleece or "Minky" fabric to trap
1. Introduction