A nursery ring was a facility where young Wookiees were raised. Males engaged in rough-and-tumble play at nursery rings and developed fearlessly headlong fighting styles. One such nursery ring was in the city of Rwookrrorro. Mallatobuck worked in another ring in a village nearby to Rwookrrorro before she wed Chewbacca.
- Kashyyyk in Flames"—Star Wars Gamer 4 (First appearance) "
- Rebel Dawn (Mentioned only)
- Tyrant's Test (First mentioned)