The Scraper is great and very quick and easy on the back, if you want to remove moss or only little weed, then you are done very quickly and the result is impressive. The blades are sometimes slightly bent, but that was no problem. Simply gently bend back and ready. The joints Fitch comes to the border, when in the joints, the weeds are too entrenched. Then you have just yet to his knees. All in all, a handy tool that simplifies keeping clean the joints.