Love the weight of this... nice and solid and not flimsy. I used it for lash segments applied under my top lashes, and while perhaps not as good for application... it was awesome for fusing and fusing throughout the weeks wear time of my lashes. The only thing I didn't like about the tool is that it's designed for right handed people. Also, the design makes it a little more difficult to fuse on the left side. So if you could make this tool in a lefty version, I would actually buy both so I could more easily fuse my left side. I bet left handed folks would appreciate a lefty version of this as well.