Retractable Foundation Brush w/ Magnetic Removable Head

Its Regularly $11.99 at Target, but I bought it for a whopping $2.98 on clearance! I think the magnetic part of it is kinda cool, even though it does sorta rattle... And since it is Magnetic, you...

This is $12 at Target. I received in a swap. However, I don't use as a foundation brush, but as a concealer brush. I am an idiot w/ foundation brushes unless they are the SK Flat Topped brush or...