What rule should I apply in a situation like this. I know i very uncommon, but I should not touch the ball. Could be the plastic be considered a mobile obstruction? The ball is clearly inside the hole.
Applying Decision 16/2 from the USGA Rules of Golf, this is considered holed (although it doesn't fit the definition of holed).
16/2 Ball Embedded in Side of Hole; All of Ball Below Lip of Hole
Q.A player's ball embeds in the side of a hole. All of the ball is below the level of the lip of the hole. What is the ruling?
A.The ball should be considered holed even though all of the ball is not within the circumference of the hole as required by the Definition of "Holed."
Definition of "Holed":
A ball is "holed" when it is at rest within the circumference of the hole and all of it is below the level of the lip of the hole.