I assume the cork is used as a safety feature. If one forgets to remove the cork while heating the canister, the cork will pop off vertically without harm to the canister. If a screw top is used, the canister might dangerously rupture if the screw top is left in place while heating.
Very cool Luke------As always-----Be safe, I will talk at you later my friend---david
wow! Awesome post. Most informative. Thx! , Super! Thanks especially for the video! Informative and interesting which we share with you so i think so it is very useful and knowledgeable. I would like to thank you for the efforts. I am tiring the same best work from me in the future as well.Read more: jessica
Thanks for the review of an old friend. Been using this for quite sometime now, and it's a good solid piece of equipment. Nice to see someone else's point of view on this. Thanks Luke I appreciate it.