what is a garter belt used for

Garter Belts:White Sheer Mesh Ladies Lingerie Garter Belt Set With G String R73562 Item No -R73562 Weights –M: 0.12Kg      XL-5XL: 0.15Kg Dimension –19.5*24*2.5CM; Material –95% Polyester + 5% Spandex   Including –Dress + G string + 2 Leg ring  Ladies high...