Crochet Cover for Bead
1st row: 3 chain sts in a ring;
2nd row: 1 chain st increase, 6 single crochets, slip st;
3rd row: 1 chain st increase, double the quantity of sts, 2 single crochets in each single crochet, slip st (= 12);
4th row: 1 chain st increase, * 1 single crochet, 2 single crochets with common base*, slip st (= 18 sts);
5th row: 1 chain st increase, * 1 single crochet, 1 single crochet, 2 single crochets with common base*, slip st (= 27 sts).
You have done flat circle. Continue without increases, don't make chain sts increase and slip sts from 6th to 11th rows.
Put the bead in cover, make decreases:
12th row: * 1 single crochet, make 2 single crochets together* (= 18);
13th row: * make 2 single crochets together* (= 9).
Conitnue making decreases of the sts quantity. You should have 1 single crochet left. Cut the yarn. Weave in the end.