With the brown Holt International tee, I cut two strips from a yellow refashioned skirt that I never wore and simply inserted them into the side seam. The process was simple because I used the skirt's hem (I love no-hem refashions) and aligned it with the shirt's hem. I like the "sporty" look of the yellow strips and the strips match the yellow font.
In my stash, I had an old white lace tank in need of repair, but I felt the material would be better used as strips for the Dunder Mifflin T-shirt and an old family T-shirt (dark blue with white writing). For the Dunder Mifflin shirt, I used the non-lace side of the tank, matched the tank and shirt hems, and sewed the white strips into the open side seams.
For more pictures and words, click here.