In The Lord of the Rings, the One Ring tempted its bearers to wear it and slip into the wraith world, thus appearing invisible to all others. However, despite being the character most affected by the One Ring's influence, Gollum never wore it in Peter Jackson's The Lord of the Rings and The Hobbit film trilogies. From first discovering the One Ring as Sméagol to falling into the fires of Mount Doom with it, Gollum only ever held his Precious.
Source：https://www.cbr.com/lord-of-the-rings-gollum-one-ring-explained/
