Dual-open Bottle / Appliance of eating

Sometime when you want to drop some of catsup, badly the volume of catsup is too less to make the catsup flew out at once.Then you may rotate the bottle to make the sauce flew down slowly of roughly press it, however, the nice time already was destroyed.

Convenient for thick sauce whenever how much the volume When the volume of catsup is much, than open the top cap as usual. When the volume of catsup is a little, than open the bottom cap. Whatever the catchup is more or less, there is no problem with the sauce bottle named "Dual-open Bottle"