Abstract: A bearing type handle roller cutter is disclosed. The bearing type handle roller cutter comprises a handle body, and a movable bracket movably connected within the handle body. The handle body utilises a push block, a spring, a bearing, a protective disk and a cutter head, and exposes the cutter head for cutting. The push block is pushed through the use of the spring to automatically reset and protect the cutter head. The bearing type handle roller cutter can be used by different people and has the advantages of prolonging the service life and improving the cutting accuracy.

Abstract: Systems and methods for removing tangled thread are provided. In one embodiment, an apparatus for removing tangled thread includes a thread grasper usable to grasp on to tangled thread. The thread grasper includes a handle portion and a grasping portion. The apparatus also includes a thread cutter usable to cut the tangled thread grasped by the thread grasper. The thread cutter includes a handle portion and a blade.