Allow yourself to visualize your body in its most authentic form. There is no "right" way to touch yourself; if a technique feels good and affirming, it is valid.
Are there more specific techniques for a certain stage of transition that would be helpful to explore, or perhaps information on general body-safe materials for toys? A Guide to Muffing: The Hidden Way to Finger Trans Women
Using a "packer" or other prosthetic devices can provide physical stimulation while affirming gender identity.
For trans men and transmasculine people, especially those on testosterone, changes such as genital growth and increased libido are common.
Many find success by focusing stimulation on the glans (the head) using a "rubbing" or "flicking" motion with fingertips rather than a full grip.
Many use small masturbation sleeves designed specifically for enlarged clitoral tissue to mimic different sensations and provide physical affirmation.
Exploring sexual pleasure while trans often involves a mix of physical adaptation—especially if you're on Hormone Replacement Therapy (HRT)—and mental strategies to manage gender dysphoria. Strategies for Transfeminine Individuals