Hitlerjugend Shoulder Straps (Schulterklappen)
HJ personnel wore shoulder straps on their brown shirts to indicate rank and branch of service. The HJ shoulder straps were first standardized in 1933 and underwent at least four modifications between 1933 and 1938 when a final pattern was introduced and utilized until the end of the war.1938 pattern, loosely woven black rayon construction, slip on shoulder straps.
1) 1938 pattern, loosely woven black rayon construction, sew on shoulder strap. The shoulder strap features bright red, rayon piping, and machine embroidered Bann numerals, "667" also in bright red threads. The shoulder strap represents rank of Hitlerjunge while the bright red piping and Bann numerals indicate service with the General-HJ.
2) 1938 pattern, woven black rayon construction, slip on shoulder strap with bright pink, rayon piping, and machine woven Bann numerals, "667" also in bright pink threads. The shoulder strap represents a rank of Hitlerjunge while the pink piping and Bann numerals indicate service with the Motor-HJ. Bann 667 - Location: Ostrowo-Kempen, Poland.

As the pictures shown.