When it's right, there is absolutly no pulling or scraping sensation. You might have some irritation after due to your skin getting used to the exfoliation, but that should go away after a week or so.

On the angle, as some have said before, you want it as shallow as possible. You are cutting the hair, not trying to scrape it off. Whenever I see someone on TV or in the movies shaving with a straight, they hold the edge perpendicular and kinda wipe off the shaving cream...which just cracks me up....

I start by laying the spine flat against my face, then barely lift it. If not cutting, then lift a *tiny* bit more...

Frequent mistake-- person gets a brand new, pre-sharpened blade, then strops it incorrectly, rolling the edge.... now it won't shave... if you stropped it, did you
1) keep the strop taut
2) keep the spine on the strop 100% of the time?

Missing either of these can cause problems. How can you tell if you've rolled your edge? Take the razor and try to cut your arm hair. Hold the razor a few mm above the skin, if it pops hair (you should hear some "pinging" sounds), the razor is good to go. It should have no problem completely shaving hair off the arm if touching the skin using either side of the razor.

-Chief