"Zippy" a handy cutting instrument for stores, industry, offices, homes or schools

"Zippy" No. K353. The handiest cutting instrument made. Safe, strong, speedy, practical. "Zippy" is a combination of scissors and knife - cuts all sort of paper, textiles, thin cardboard, string, etc. "Zippy" will cut along a straight or curved line. Constructed of durable plastic, molded in one piece, strong and compact.. equipped with exchangeable razor blade with simplified and fool-proof locking device. Standard razor blades can be used. Economically priced. Cuts anything from string to cardboard.
Courtesy of Boston Public Library