A method for treating a user's back, a user's neck, or combinations thereof. The method can include the steps of: inserting a traction device into a pouch of a fabric garment; disposing the fabric garment over a user; engaging the traction device with a surface; and applying a pressure to the traction device using the user's back. The traction device can provide a therapeutic pressure to the user's back, to the user's neck, or to combinations thereof. The method can use a customizable traction device having a shearable fraction head and body. The shearable traction head and body can each be cut to a custom size to fit a user. The method can use a removable fabric chair cover disposed over a chair. A user can sit on the chair and apply a pressure to the traction device using the user's back.