If it gets you off there isn't a wrong way about it. The only thing I can think of is that you may irritate the skin a little more but using proper lube will take care of that.
Salam Bro,
Brother ap muslim ho aour ya kin kamon main par gay ho mujay omeed hai k ap nay ya ooper wala msg just enjoyment k liay post kiya hoo ga aour ager ap in reality asa kartay hoo too plzzz ya kam chor do yar hum log muslim hian hamayn ya kam suit nahee karta khuda ra ihtay aat keroo plzzz ya request hia order nahee. thxxx