Driver bulge
Horizontal radius that decides whether a toe miss comes home. We write it even if the crown paint is fashionable.
Michigan Avenue · snowbelt curve forge
Bulge is horizontal. Roll is vertical. Both are radii.
Roll Start maps the two curves on a wood face that turn a miss into a gear. Kalamazoo winter ranges are mats that never show it. Summer rough at Maple Hill does. We write the radii. We do not recut a face because a commercial said “hot.”
10–12"Driver bulge we still defend
9–11"Fairway roll band we write
49007Snowbelt mats that hide gear
Snowbelt weather
A mat is not Maple Hill
From November to April this town hits off rubber. Rubber does not gear. June rough does. A driver that looked “workable” in a bay will leak toward the water once the face’s bulge is actually asked to pull a toe miss back. We map for the ask, not for the bay.
Curves we map
Four windows, one forge
Fairway roll
Vertical radius on a 3-wood that starts from a tight Portage lie. Too flat and the low miss stays low.
Hybrid curve
Hybrids borrow both. We map them against the 4-iron they keep trying to retire.
Gear-effect notes
Gear is not magic. It is two radii and a miss you will admit to.
What we will not mill
No hot-face theater
Eugene recuts iron faces. Jackson reads putter camber. We map woods. If you want a stamp bent strong, that is a different vise in a different town.
“A miss is a coordinate. Bulge is the horizontal answer. Roll is the vertical one.”
Tess Palomar · Radius and chalk
Suite 2
Hold a curve hour
Monday through Thursday the forge runs 8 to 4. Friday we lock at 3. Weekend the rust sleeps. Write desk@rollstartlab.shop. Tess answers; the spindle does not book itself.