Step 1: Whats available
measure around 1 to 2 inches and cut the straw in a 30 degree angle so it will look like it is slightly leaning.
Unscrew the lid of the new fluid bottle. There should be a seal to prevent leakage before it gets to the hands of the end-user.
Important thing is: DO NOT remove this seal. You will need it to glue the short straw on. It is also to prevent any poisoning should any of your colleagues decide to have a sip.