Related Clues:
- Sticky wicket
- Pupa protection
- Silky envelope
- Protective envelope
- Pupa's protection
- 1985 Wilford Brimley flick about rejuvenation
- Butterfly's case
- Larval case
- Thing from which a butterfly emerges
- Insulate
- Silkworm's protection
- Hang out wholly at home
- Repair books, in a way
- Tricky situation
- Put together, as a book