[csande17]

Scissors are the other big one; most of them are designed so that when to try to use them with your left hand, you end up pushing the blades apart slightly so they don't cut as well (or at all).

With that being said, self-deprecating jokes about how left-handedness is an affront to God are definitely a prominent feature of lefty culture.

(Edit: I guess formal place-setting is another area of society that assumes right-handedness, as well as restaurants that pack people close enough together that everyone needs to use the same hands to avoid elbowing each other.)

[kevin_thibedeau]

I prefer right-handed scissors because you can see the cut line better when using them left-handed. It does take some technique to keep the blades shearing.

[voidUpdate]

I can usually twist my hand to push the blades together, but the cut line is always hidden by the top blade for me