Sail design for strickly sailing craft

[ebb]

Ben, I'll look it up.
What gets me is that when the storm sail is rigged off the side of the mast like that.
the slides will be at very awkward right angle to the sail, on the tear-drop Ariel mast,
and the slides are at the same bad angle to the track connections in the mast........
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OK, I got that wrong! I could only find a "revised edition" of Cruising Under Sail which naturally has no photos showing the deal.
But the text does say that the storm sail track leads the sail up onto the main track using a curved switch gate.
I'm surprised - but I have no experience and therefor have a problem visualizing -
that the storm sail is rigged above the mainsail slide stack. Hiscock's mast must have been round.
Our mast's aft side is very pointy - How could a switch track be fastened to the mast side and still guide slides around what is obviously the corner to the back?

My original slide gate at the bottom of the main track was a right angle bent piece of stainless (mounted under the track on one of its screws) that wore against the aluminum and caused nasty crevis corrosion in the mast. I guess a slide-type stop is the answer to that, but
Where can I look for this uncommon curved track switch that is made for a storm sail? And won't wear against the aluminum. Is it a custom thing?
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The Pardey "Storm Tactics Handbook" pg201 has an essay about trysails and their rigging. Pardey boats have round wood masts which makes running extra track from the mast foot to about 2/3s up along side main track possible. That's how they do it.
Still confusing to me, but the radical angle of the foot of their trysail seems to be how it's done - tack is rigged way above the mainsail stack.
They seem to show in a photo of the try TRACK that the bottom end is LOOSE, NOT fastenened to the mast because it has to span a number of fittings including the gooseneck and then surely somewhere above it's screwed to the mast. Have I made that up! It allows for the sail to be on the track and bundled on deck, ready to go. I like the extra track idea - but not unattached below the gooseneck. Really?
"Since the trysail is handy and ready to use, we often hoist it instead of putting a third reef in the mainsail for reaching or running when winds top 30 knots." Trysail is rigged sans boom and on its own track, which adds safety and versatility as winds rise. They also diagram '4th reef' trysails for short keel cruisers rigged loosefooted to the boom.
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Do you think the following is possible or wise?

to lag on to the mast a long piece of 1" aluminum angle on the starboard side* using holes drilled thru the pointy corner into the mast. Legs of the angle stock bear on the mast.
The aft facing side of the right angle almost matches the plane of the main track, slightly off.
And would be close to the maintrack but slightly offset forward - and out of slider & fabric traffic.... hopefully.
That shows how much of a corner ( close to 45 degrees) the mast side is right there at the mast track.
Attach 7/8" s.s T-track to that aft face of the angle, and hoist away. Double track,. 23 pardoo!
What's the cost in weight? [20ft 6061T6 1"X 1/8" about 5.6lbs. Plus T-track and screws.]
*that's the side where the halyard winch is.

FEASIBLE? Aye ask you.