Despite the myriad choices of bottle closures available to North American wineries, the closure ultimately selected tends to remain fairly static year to year, not counting the occasional attention-grabbing outlier. Accordingly, the 2021 Wine Business Monthly Closure Survey revealed that natural corks remain at the top in tops, but also that screw caps saw a dramatic growth spurt in demand this year and winemakers’ rating of the closure has improved. For the past decade WBM has asked wi...