ALL
jewellery must be removed (FA Laws of the game - Law 4)
Law 4 of The Laws of the Game states that:
'A player must not use equipment or wear anything which is dangerous to
himself (herself) or another player (including any kind of jewellery).'
This Law exists to protect the safety of players and includes wedding rings.
These must be removed, not taped or covered
Scrunches
Metal hair clips of any sort can cause
injury
Ridged metal or plastic hair clip can
cause injuries