The way I see it...It is getting the "ember"...Not a flame.
Once ya have the ember, Just like F.Fire, or F&S, Firesteel, etc.... whether it is punkwood, milkweed ovum, even charcoal, or charcloth, or whatever, etc...
Ya get the coal/ember, & then transfer to the tinder bundle/"nest" to start the fire.... Or, just start the ember in the tinder bundle, like I did today.
I went out today, just because I knew it would be clouding up with the snow coming in. I wanted to get this part of the March Monthly Project done, even though I had teased about waiting until the end of the month in my last post... I was killing some time anyway, & letting Duke run his butt off for some exercise so what the heck... I enjoy doing this stuff anyway... Hey... I told ya I am a "strange man"...
..So, I prepped a grass tinderbundle & then went back to the landing where the folks have to get their iceshacks off the lake, due to regulations. Tonite at Midnite is the "deadline" to have the ice shanties off the lake.
These pics are from today, it is cloudy, but peeks of sun. We have snow storm coming in, & I knew it... so, here is a tinderbundle with the punkwood right in the bundle... about 25 Deg. F with a S.E.wind about 7-10 mph. I had to get out of the wind to get the punk going to ember, so I went behind the Jeep, using it as a windbreak...& here is what happened...
Prep:

Punk in the nest:

A coal/ember made in the nest & time to make some fire:

Another shot of the coal/ember:

One more with a "glow", and a lil smoke wafting:
Smoke coming on more:
Flames:

On the ground, cuz it was hot to hold:

Right before I put it out:

Prep takes the longest...getting it from coal/ember to fire, doesn't take any longer than any other way of primitive fire does...or any method without an active flame....
So...what the heck? Give it a try...Give it 10 tries...
You all can do it if ya want to..It really isn't all that hard...
Heck...There have been lil kids doin it for years, & getting in trouble doin' it... You won't get in trouble here at B&B for trying it... Give 'er a shot...