Fetish...

Don’t knock it 'til you taste it. If they bottled it, people would longer have a need to sprinkle sugar atop their Rice Crispies or Cheerios.

I had a gal-pal once who had a thing for wooden chairs.
Hard, straight backed, unpadded wooden chairs.
She could nearly bring herself to orgasm just by sitting in one for a period of time.

She was also into some tight bondage; with her being tied to (you guessed it) a hard wooden chair.