“HOLD FAST”是使用 FontVibe AI 创作的纹身字体文字效果。黑色 Old English 纹身字，墨色略带蓝黑并有细腻阴影，已愈合在前臂或手腕的真实皮肤上。

Bold American traditional tattoo letterforms — heavy slab-serif or display serif construction with thick uniform outlines. Old school tattoo shop aesthetic: strong visual weight, simple but powerful letter structure. Thick black outline stroke characteristic of traditional tattooing. Minimal interior detail, maximum visual impact. Letterforms inspired by 1920s-1950s American sailor tattoo flash typography. Deep solid black ink fill with clean edges. No fine detail work — traditional tattoo boldness and clarity. "HOLD" and "FAST" as traditional american tattoo lettering split across two rows of knuckles. Male hands in fists, side by side, viewed from above — knuckle tattoo format. "HOLD" across the four knuckles of the left fist, "FAST" across the right fist. Bold thick-outlined traditional slab-serif letterforms, deep solid black fill. Classic old school tattoo weight and precision. Medium skin tone, natural warm light from above. Photorealistic traditional knuckle tattoo documentation photography.