An entrapment charm is a magical charm used to seal an object, often to entrap something within it. The spell was found within Felix's Book of Shadows by Ellen O'Donnell, who helped the Nowhere Gang entrap four Atridax within their school bags.
"Elements we call together
"A binding thread which lasts forever.
"Join and fuse the essence bound
"To charm and protect what is found.
"Earth, water, fire and air.
"Lock within and never tear."