Create a detailed forearm tattoo sketch of a realistic spider in black and white art style. The spider should be drawn with a high degree of detail, highlighting its texture and anatomical features. The tattoo should cover a significant portion of the forearm, showcasing both the spider itself and its surroundings, which may include webs or other natural elements. The sketch should be done in a style suitable for the tattoo, with an emphasis on contrast and shadows to convey dimension and realism to the image.