Needle Finger Guard fits the Singer Featherweight 221 – The Singer Featherweight Shop
4ps Flat Car Sewing Machine Guard U-shaped Guard Needle To Prevent The Needle Hit The Hand Safety Protection For Singer Brother - Sewing Tools & Accessory - AliExpress
Janome Finger Guard Video - YouTube
Amazon.com: Finger Guard for Industrial Single Needle Machines #19S (Option :1 Piece)