(Grape Pie x Biscotti x Cookies n Cream) The well-balanced indica-dominant hybrid strain, Carbon Fiber, packs a punch of potency and effects that hit both mind and body. This bud has a sweet and fruity berry grape flavor with hints of spicy black pepper upon exhale. The aroma is very similar, with a spicy black pepper overtone accented by earthy herbs and fruity, dank grapes.