1) Cruets 2) Slingers 1) Desk chair features 2) Dolly parts 3) Furniture bottoms, sometimes 4) Furniture wheels 5) Indoor rollers 6) Moving aids 7) Office-chair wheels 8) Shopping cart quartet 9) Swivel wheels 
Rollers on the end of each foot, behind a skirt, or open to view that allowed for moving easily.
casters are the chrysalis form of a maggot. They are approximately 1 cm long and .3 cm wide. They are shaped like a rounded capsule. The colour of casters varies between light and dark brown. They are a great hook bait for catching roach
Puparium - an outer covering that protects the pupae of some flies (the Cyclorrhapha).