Full page ad in Luggage and Leather Goods, August 1936, page 64a:
Preparations for wartime materials restrictions began within a month of the attack on Pearl Harbor. Talon's metal zippers were restricted for military use, so alternitives like the plastic zipper were proposed to provide its customers in non-military industries with alternatives. (February 1942 Luggage & Leather Goods, Page 68)
New Ideas in Handbag Styling
"To encourage new and practical applications of Talon fasteners on handbags, Talon, Inc., has developed a series of sketches incorporating unique and interesting ideas. Many of the suggested uses are especially adapted to the new plastic slide fastener.