Gerwyn Price made headlines during the PDC World Darts Championship after using ear defenders on stage against Gabriel Clemens.
Price resorted to this tactic due to booing and whistling fans during his tie against the German but it seems that he won't be able to repeat it in future as per Daily Star.
Under new regulations, there is a revised wording of the rule by the DRA (Darts Regulatory Authroity) which says: “Players are not permitted to wear earphones, headphones or headphone-type ear defenders during the throw at the bull prior to the match or during matchplay.”
The use of in-ear ear plugs is permitted though with Mervyn King a prime example of those who use them.