Shapes do what ??

Scoop Splashes on top of the water skirting side to side. Run on short corners or center long.	Slant Starts upside down till the pressure builds and then rights itself. Dips in and out of the water cutting sideways.
Concave Runs deep and steady at 7-9 knots.	Bullet Made to run straight from any where at any speed in deep water.
Straight/Flat Surface rider - "pushing" action brings lots of "spray."	Hawaiian Mac A wiggling sidewinder.
Doorknob Causes the water to swirl in one direction above it, and the opposite direction below it. Can be run up to 12-15 knots. The faster you go, the less bounce it has. Run from any position.	Slot Head Pushes the water up.
Vents Smoke.....Smoke....and more Smoke! Runs deep and steady.	Lure Weight Lightweight lures tend to stay on top of the water, heavier weights, depending on nose-cut, run deeper.

And the Sizes measure ??

These are just the basic measurements.The type of insert, contents, style and cut of the lure most determines the end product. Measuring around the tummy: Size 6 = 3 Inches Size 7 = 3 1/2 Inches Size 9 = 3 7/8 Inches Size 12 = 5 7/8 Inches Size 14 = 6 1/4 Inches Size 16 = 8 1/4 Inches