cuffs with 3 mm hook, work in the round:

R.1: 1 ch (does not count as 1 st), 78 hdc, slip st in 1st hdc.

R.2: 1 ch, FPhdc around 1st hdc, 1 hdc in gap between 2nd and 3rd hdc, FPhdc around 4th hdc - rep across every 3 sts = 52 sts, slip st in 1st FPhdc.

R.3: 1 ch (does not count as 1 st), FPdc around each FPhdc, BPdc around each hdc = 52 sts, slip st in 1st FPhdc.

R.4: normal rib with 1 FPdc, 1 BPdc, slip st in 1st FPhdc.

Rep R.4. to desired length.

3 threads light grey, 1 thread dark grey
light grey = 64 gr different balls
dark grey = 70 gr skein