Allow the players to use berries among other items to craft custom pokeballs with limited stats determined by the player.   The crafting mechanic could have modifiers for higher catch rates costing more money and more rare items.   Could be useful for shiny hunters or any other farmers who want to modify a pokeball's stats to suite their hunt.   Custom pokeballs would allow the player to catch pokemon faster but at a significantly greater cost, which would be a welc