Here is a quick tip on the importance and how to use a stitch marker when crocheting continuous rounds.
How to Use a Running Stitch Marker in Crochet
question: when this pattern says to move the stitch marker up each round does it mean to move it to the next stitch (the one next to it) instead of where it
How to use stitch markers in amigurumi crochet
Needlepointers
How to use a stitch marker for Amigurumi - mycrochetchums
How To Use Stitch Marker In Continuous Round Crochet
Learn how to crochet the loop stitch - Easy tutorial and link to free pattern
How to Use a Stitch Marker in Crochet - Shiny Happy World
How to Use a Stitch Marker correctly in Crochet
How to use a stitch marker for Amigurumi - mycrochetchums
How to Use Stitch Markers in Crochet - You Should Craft
How To Use a Stitch Marker & Crochet In The Round