These little matted pieces are sometimes called slubs.
a skein
A group of silk is called skein
it is also called a skein
a gaggle In flight a skein.
A group of silk is called skein
When in flight geese are called a Skein
The yarn that is attached to the skein is often referred to as the "tail" or "end" of the skein. This tail is used to pull off the yarn for knitting or crocheting without unraveling the entire skein. In some cases, it may also be called the "working yarn" once it is being used in a project.
Geese
A bale of wool
A skein of wool can come in different weights. There is not a specific amount of wool needed in a skein.
skein
a group of flying geese is called skein. geese flying in a 'V' formation is called wedge.