Styleforum - A martingale is a half-belt applied on the back of a coat in order to adjust the waist of the garment. Its use dates back to the XVII century and
![Amazon.com: Winter Women's Trend Classic Coat Satin Belt Long Coat British Double Breasted Trench Half Season Jacket : Clothing, Shoes & Jewelry Amazon.com: Winter Women's Trend Classic Coat Satin Belt Long Coat British Double Breasted Trench Half Season Jacket : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61Jt7aEc69L._AC_UY1000_.jpg)
Amazon.com: Winter Women's Trend Classic Coat Satin Belt Long Coat British Double Breasted Trench Half Season Jacket : Clothing, Shoes & Jewelry
![1970s Coat Vintage Olive Green Cotton Twill Military Spanish Land Army Trench W Lining Half Belt Sizes S to XL Choose Your Size - Etsy 1970s Coat Vintage Olive Green Cotton Twill Military Spanish Land Army Trench W Lining Half Belt Sizes S to XL Choose Your Size - Etsy](https://i.etsystatic.com/5594103/r/il/e38250/3570932478/il_570xN.3570932478_mf3d.jpg)
1970s Coat Vintage Olive Green Cotton Twill Military Spanish Land Army Trench W Lining Half Belt Sizes S to XL Choose Your Size - Etsy
![Vintage 70s Tweed Sport Coat Half Belt Action Back Brown Sport Jacket 1970 Men Menswear Anderson Little Strathmore 39 39S Short - Etsy Vintage 70s Tweed Sport Coat Half Belt Action Back Brown Sport Jacket 1970 Men Menswear Anderson Little Strathmore 39 39S Short - Etsy](https://i.etsystatic.com/6162997/r/il/a1ccb8/2193959440/il_570xN.2193959440_2j4u.jpg)