Because of those, it was distinguished from ordinary banshu (guards) though it was hokoshu, and in Shosatsurei (Remarks on the Concept of Epistolary Etiquette) it was written 'it is natural that I humbly write about Mr. Ogasawara with appreciation while they are serving as the position of the master of kyuba' ("Odachijoko shosatsusho").
こうしたことから奉公衆とはいえ一般の番衆とは区別され、書札礼では「小笠原殿のことは、弓馬師範たる間、如何にも賞翫にて恐惶謹言と書く事、可然也」（『大舘常興書札抄』）とされた。