Swagger Stick Physical description Trench art, Vietnam era. Made of 12 x 7.62mm SLR spent cartridges brazed to form an ornamental stick, commonly referred to as a 'swagger stick'. It has two badges attached from the Army Signal Corp, 110 Signal Squadron.. Inscriptions & markings The end cartridge is stamped 1967 Subjects vietnam, swagger stick, trench art, 110th signal squadron