Examples of over the trellis grapevine cover (From Kumamoto, Japan)

Example #2 (From Okayama, Japan)

Examples of cluster covers at a commercial vineyard in Yamanashi, Japan
(http://yutoliro.jp/tabid/263/Default.aspx)

(http://xn--p8j9co6az308bclp.seesaa.net/archives/200906-1.html)

Examples of cluster umbrella at a commercial vineyard in Yamanashi, Japan
(http://yutoliro.jp/tabid/263/Default.aspx)

Image of a cluster umbrella from the manufacturer
(http://www.hfw.co.jp/hoshino/ag-kasa-ro.htm)