balls barn black_collar black_hooves blue_hair blue_mane blue_tail blush blushing_at_viewer bodily_fluids bridle building chastity_cage chastity_device cheek_tuft collar cuff_(restraint) cuff_bracelet dark_hooves day dripping ears_up facial_tuft farm feral fluffy fur genital_fluids genitals grass grey_body grey_fur grey_hair grey_mane grey_tail hair harness hay hooves humiliation indigo_furry_mix_v120_hybrid indigofurrymix_(model) inside leaking_precum light male mane metal_chastity_cage mostly_nude multicolored_hair multicolored_mane neck_tuft open_mouth petplay plant ponyplay precum precum_drip precum_on_balls prompt quadruped raised_tail red_hair red_mane red_tail restraints roleplay rural sky slave solo solo_focus standing straps submissive submissive_feral submissive_male sunlight three-quarter_view tuft two_tone_hair two_tone_mane two_tone_tail village wall_(structure) white_body white_fur wood_wall mechanic_31 my_little_pony earth_pony equid equine horse mammal pony colorful detailed full-length_portrait hi_res portrait prompt_metainfo shaded three-quarter_portrait
At the request of viewers from the comments, another chaste stallion from the farm. The context and basic ideas are the same as in the previous images. 
This is one of the old generations, and I still have images for future publications, but [u]I am happy to accept your suggestions in the comments[/u]. 

[b]Prompt:[/b] MLP feral pony, farm, harness, slave, bridle, bit gag, harness gag, slavery, chastity, (chastity bugle, chastity device), orgasm denial, male, submissive male, precum drip, dripping precum, shock collar, balls, standing, by swaybat 
[b]Negative:[/b] boring_e621_fluffyrock_v4, deformityv6, easynegative, bad-hands-5, bad anatomy, low quality, signature, logo, watermark 
[b]Size:[/b] 768x640 Sampler Steps: 20 CFG Scale: 7.00 Model: indigoFurryMix_v120Hybrid Seed: 515917929 

[b]Upscale:[/b]
Size: 1536x1280 Sampler Steps: 15 CFG Scale: 7.00 Denoising Strength: 0.50 Seed: 49638190