A shell is a stitch grouping, usually several stitches worked into one on the previous row. The precise arrangement varies with the pattern and is usually given at the start, perhaps in a section called 'special stitches' or something similar.
what are the terms for crochet
The "x" symbol in crochet means: single crochet (sc)
velour- velvety crochet- hook
The recommended yarn weight for a size 25 crochet hook is typically super bulky or jumbo weight yarn.
In crochet and knitting, RT stands for right twist.
Snot
Picot
A quarter note.
The letters sc are found in crochet instructions and are the abbreviation for "single crochet". The instructions are telling you to make a single crochet stitch in the last stitch of the row you are working.
How am I supposed to know I’m asking the question here
foundation chain
Most commercially available shotgun shells come in boxes of 25.