Your search for "-tkr" revealed the following:
Elastic thread
19,00 DKK
Knitting elastic to tighten up rib edges in your sweater's neck lines. Thread the knitting elastic through the center of the folded neck edge using a safety pin. Diameter: 1 mm Length: 20 m [22 yds] Color: Transparent
Honey Pillow
35,00 DKK
Honey Pillow is worked back and forth in honeycomb brioche stitch. The backside of the pillow is fabric. Front and back are sewn together at the end. Size: 40 x 40 cm (50 x 50 cm) 40 x 60 cm [15¾ x 15¾ (19¾ x 19¾) 15¾ x 23½ inches] ...