Make sure your Mat is Sticky
To do this I recommend using non alcoholic wipes. You can use other non abrasive cleaners but non alcoholic wipes such as baby wipes really work best.
Make sure your Blade is Clean and Sharp
It is important to make sure that your blade is both clean and sharp. It is best to remove the blade from the housing to clean it and sharpen it.
Check your Design
There is a simple way to rid your design of cuts that are just too small before you cut. All you need to do is to click contour and all of the little pieces will come up on the screen.