When you take apart a pump for lotion, many people notice a small, unassuming notch at the end of the straw. The first thought might be, “Is this a production defect?” or “Will it affect liquid suction?” In reality, it’s the exact opposite—this seemingly unnecessary notch is an “optimized detail” specifically designed to address suction pain points, and it hides 3 super practical functions, carefully crafted by lotion pump factory designers.

Every time you buy a bottle trigger sprayer or plastic trigger sprayer, do you always get confused by "fake guns", "straight guns", and "angled guns"?They are all trigger pump sprayers, yet their performance varies drastically—some can’t reach dead corners, some are tiring to use, and others even leak! In fact, each of these three trigger sprayers has its own "unique strengths".