This is genius! Who knew? Parmesan cheese containter lids will fit on mason jars! How about keeping baking soda by the sink for a mildly abrasive cleanser. Or flour near where you kneed your bread - just sprinkle on the counter.
This is how I cut up a watermelon, although if it's larger, I'll cut it in half to have a stable surface while cutting off the rind. The post from Fifteen Spatulas also has a delicious recipe for watermelon-lime slushies.