5 in 1 tool. painting a straight line next to the trim trick, painting, To make the line even straighter take your 5 in 1 tool wrapped with a wet rag and drag it down the corner At just the right angle this will give you a crisp straight line
Don't just paint over your problems (that won't fix anything). Grab some spackle and a plastic knife to even out holes on your corner or dents in your wall — then add paint on top of your smooth-as-can-be wall. Get the tutorial at Behind the Studio
Where beginners run into trouble is cutting in along ceilings, moldings and other areas that require a perfectly straight line of paint. Here are tips and pointers to help you increase the speed and improve the accuracy of your cutting-in technique.