Crochet hook: 3.5 MM
sc: single crochet
2sctog: 2 single crochet together
Ch 10 sc inside the first ch
Round 1: ch1. 2sc in every st around
Round 2 : ch1, 2sc in the next st, 1 sc in the next st, repeat till end of the round.
Round 3 : ch1, 2 sc in the next st, 1sc in the next 2 st, repeat till end of the round.
Round 4 till you obtain the length required of your project ( for mine I used nearly 2 cotton yarn balls)
To shape/ close the Excluder:
Place a stitch marker where you stopped, 2sctog ( 2 sc together), sc in the next 2 stitches, repeat till you reach the stitch marker, from there make 2sctog, 1sc in the next st, continue till the round is completely close, fasten off.