What is the use of two underwear with no underwear slippage

Very often wear underwear will feel very embarrassed, because they do not know when lingerie straps will fall down, especially wear sleeveless clothes, slid down it too obvious to see that this is a lingerie straps, then what to wear Underwear does not slip it? Xiaobian certainly can not say that this underwear will certainly not decline, then anything can not be too absolute, but slightly better than the average underwear, Lisa Dai Er underwear two shoulder strap underwear style. Lisa Dai Er underwear two shoulder strap design, a little small personality and some sexy, and is the use of spaghetti strap design, so exposing a little bit of shoulder strap generally does not prevent the appearance, Lisi Dai Er underwear two spaghetti straps Style, but also the protection of two so slippery shoulder phenomenon will be much less, because the spaghetti with a more supportive live. Two shoulder straps can make the whole more stable, not like a shoulder strap, and now a shoulder strap are also relatively wide, so the narrow shoulders of the girl can not hold, but the two thin straps do not Similarly, the spaghetti straps can be considered relatively narrow shoulders girl, so slippery shoulder phenomenon will be much less oh.