PDF171 Hayes Fizz lists club soda but omits its addition in the method. PDF133 dry-shake wording suggests chilling before ice is added. These are source-method ambiguities, not validated instructions. Egg/allergen safety requires separate checks if publishing.
Original synthesis from complete supplied-page reading and visual review; attributed source claims remain qualified.
Highballs and fizzes use distinct assembly methods to retain carbonation and manage foam, ice and washline. Egg-containing drinks add a separate texture dimension.
PDF 159–187; numbered body print page = PDF page −4
Carbonation, foam and service
Paraphrase fidelity and page locator checked against supplied PDF text and images; not independent factual/medical/legal validation.
No access / Whiskey Excerpts Database (USWA)
Located paraphrase, not a direct quotation. Full supplied-page text and visual review completed.
Evidence
Highballs and fizzes use distinct assembly methods to retain carbonation and manage foam, ice and washline. Egg-containing drinks add a separate texture dimension.
Location and context
PDF 159–187; numbered body print page = PDF page −4.
Source No access; synthesis 
The book combines several narrators. Attribute recipes and essays to their printed contributor; the source-level author credit does not erase that provenance.
Annotation
PDF171 Hayes Fizz lists club soda but omits its addition in the method. PDF133 dry-shake wording suggests chilling before ice is added. These are source-method ambiguities, not validated instructions. Egg/allergen safety requires separate checks if publishing.
Verification checklist
No direct quotation, scientific validation, current operating instruction or public placement is claimed.