How to crochet Heirloom Half Circle

Make one loop bigger than the other. Twist loom 180 degrees and yarn over. Do not make sc, instead,
twist the loom 180 degrees and bring loop and yarn over. You now have 3 loops on hook, yo and draw
yarn through all 3 loops. Do this until you have 10 loops each side.

PS. The first st you make on the hair loom will only have 2 loops on them after twisting twice due to
there was no loop on hook to begin with.
Yo, bring hook through all 10 loops, bring yarn across, yo and draw yarn through the first 2 loops on
hook, yo, bring yarn across and yo, draw yarn through the first 2 loops on hook. Continue this until
you have 10 loops on the hook holding the 10 loops on heirloom together. Yo and bring yarn through all
loops on hook (10 tr fans).
When counting how many loops you have made each side, do not count the loop created after a
10 loop has been connected. Ignore this loop.
Make 8 of the 10 loops each side held together by 10 tr fans.
Due to the twisting of the heirloom before the stitch is complete the loops on the heirloom will get
tighter and tighter.