The Feldfernsprecher 33 (FF33) strap facilitates carry of the field telephones. The strap is also used to hang the FF33 from a tree, pole, or abspannbock when it is wired in service. Each strap contains a small hook to hang the FF33 handset on when the phone is not being used. Handsets have a small metal eyelet for this purpose.
Real WW2 leather FF33 straps tend to be very expensive. Fortunately, reproduction straps are available from several sources at a reasonable cost. One such source is: https://www.atthefront.com/product-p/ggmsfps.htm
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