Abstract: An improved method of implanting a bone graft in a joint and tools for accomplishing the same is disclosed. The present invention relates generally to tools and methods useful for treating a sacroiliac joint. In one embodiment, the present invention is a method including the steps of: creating a first incision in the patient's skin proximal to the patient's sacroiliac joint; creating an incision in the patient's skin over the patient's ilium; inserting a first working channel into said first incision and spreading said sacroiliac joint with an inserted end of said first working channel; inserting a second working channel into said second incision and forming a hole in said ilium; creating a void in said sacroiliac joint; inserting a graft into said void; and inserting a joint fusing device into said ilium and said sacrum.