Don't through away that old toothbrush. Carefully heat the toothbrush handle with a lighter for about 10 seconds and bend into a curved L shape. Dip in cold water to cool it down. You can use it to easily clean corners of windows, bath room wall corners, etc.
Source: My frugal mother :)
By attosa from Los Angeles, CA
I bought a cheap, battery operated toothbrush for cleaning in the kitchen for grooves in plastic containers,in between fork tines, pot handles.