Uber Soccer Flat Spot Marker - Non-Slip Rubber - Set of 20
What does it mean by 'slip stitch marker' and 'slip slip knit'? : r/knitting
Stitch Markers: How to Place, Slip, and Use Markers in Knitting – tin can knits
SM : Slip Marker, when knitting - YouTube
Deyuer 12Pcs Fill Paint Pen Fade-resistant Easy to Color Does Not Fall Off Water Based Non-slip Brush Portable Quick Dry Paint Marker Pens for School - Walmart.com