My Bigaard 1 plant one week before harvesting 10 kg berries.
No, I don’t use a berry rake. Bigaard 1 is growing very upright and that makes the berries very easy to pick. It is much faster than picking e.g. Carmine where the branches are pulled down by the heavy weight of berries. It is not necessary to prune the plant for easier picking.
Maybe you have a point though. Look at this post: