I just got the Handi Stippler I ordered a couple of weeks ago. It' suppose to control the speed of your machine to whatever speed feels comfortable for you and whatever speed allows you to make better machine stippling. I have to say I love this thing, it allows you to change your speed from real slow to real high and it has many settings in between. The price was very reasonable compared to others I've seen. Now, I'm not plugging this product I'm just giving my opinion. I'll let you know when I find a gadget I think is great. I'll try anything if it'll make my life easier.