18 rounds · filed under dense · 7 of them
Amigurumi · added 3 Oct 2026
Bobble stitch frog keychain crochet pattern guide
Single crochet and bobble stitches create a dense, bumpy-textured frog keychain ready to stuff and clip on.
- Skill
- Intermediate
- Time
- 4-6 hours
- Hook
- 4 mm
- Yarn
- Worsted
- Rounds
- 13
About this pattern
Single crochet builds most of this body, and under the hook it packs in tight, producing a firm, slightly ridged fabric that holds its shape before any stuffing goes in. Round 3 breaks that steady surface with two five-double-crochet bobbles, each one pushing out from the surrounding single crochet as a dense little knot you can feel under a fingertip. The increase rounds that follow spread the stitches outward in even steps, so the fabric grows into a rounded dome rather than tapering to a point.
That dome becomes the frog's head and body in one piece, widening from eight starting stitches up through thirty before the skirt is added at round 8. Worked into the front loops only, the skirt stands away from the body in a flared ring of double and half-double crochet, giving the shape a wider base to rest on. Stuff the body firmly before closing it, set the safety eyes above the bobbles, stitch on the pink cheeks, then sew the clasp in place so it hangs ready to clip onto a bag or keys.
The swatch in numbers
- Rounds
- 13
- Parts
- 2
- Level
- Intermediate
- Time
- 4-6 hours
- Hook
- 4 mm
- Yarn
- Worsted
The yarn and the hook
- Green yarn
- Pink embroidery thread
- 4mm crochet hook
- Yarn needle
- 10mm safety eyes
- Stuffing
- Keychain clasp
Stitches, spelled out
st stitch; sl st slip stitch; sc single crochetDense; hdc half double crochetDense; dc double crochetDrape; inc increase; dec decrease; bobble bobble stitchSquish.
Body
Skirt
How the texture is built
- Round 1 opens with 2 chains and 8 single crochets into the second chain from the hook, which leaves a small flat starting point rather than the usual closed ring.
- The two bobbles placed symmetrically in round 3 sit on opposite sides of the stitch count, so they land in matching positions as the rounds grow outward around them.
- The skirt is worked only into the front loops of round 8, leaving the back loops open; that single pass of HDC and DC sits as an added layer rather than part of the spiral, which is why it flares away from the body instead of lying flush against it.
Putting the pieces together
Close-ups
Questions people ask
Does the finished frog sit upright on its own?
The skirt added at round 8 flares out and gives the body a wider base than the dome alone, so it can perch rather than roll. It still relies on firm stuffing underneath to hold that base steady.
Why does round 1 start with 2 chains instead of a magic ring?
Working 8 single crochets into the second chain from the hook leaves a small flat opening at the center instead of a closed ring. That opening closes easily once the tail is woven through after stuffing.
How much stuffing does the body need?
The pattern does not give an amount, so add it gradually as the rounds build, pressing in enough that the single crochet fabric feels firm without stretching thin. Stop adding once the dome holds its shape without sagging.
Can the keychain clasp be swapped for something else?
Yes, the same attachment point used for the clasp works just as well for a lanyard ring or a bag clip. Sew it on the same way once the cheeks are embroidered and the body is closed.
New patterns, as they are filed
One short email when a batch lands, with the feel of each.