Bottleneck Direction Inventory Theory Published on August 25, 2016 in Can you tell your Bottleneck from your Inventory?Full resolution (898 × 432) Bottleneck Direction Inventory Theory Theoretical model of the Bottleneck direction based on the inventory. Note that the bottleneck directions are not fully 100% or 0%, but only close to. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.