This is an example of one such request (sanitised a little) which seems to have come from a samsung mobile device and has 23 headers:
GET /home/_site/campaign/isa09/index.html HTTP/1.1
X-ICAP-Version: 1.0
Host: www.XXXXXXX.co.uk
Connection: keep-alive
Content-Length: 0
Cookie: TS4b6c63=b793df88d6d751a4f3d76bdc2324649738b61ea5845562c149b819e7; PD_STATEFUL_9bbcce68-1d01-11dd-b04f-c0a84102aa77=%2Feai;
Cache-Control: no-cache
Pragma: no-cache
Accept: application/vnd.wap.xhtml+xml, application/xhtml+xml, text/html, application/vnd.wap.wmlc, image/vnd.wap.wbmp, image/png, image/jpeg, image/gif, image/bmp, text/vnd.wap.wml, text/vnd.wap.wmlscript, application/vnd.oma.dd+xml, text/vnd.sun.j2me.app-descriptor, application/java-archive, application/vnd.wap.multipart.mixed, multipart/mixed, application/vnd.oma.drm.message, application/vnd.oma.drm.content, */*
Accept-Charset: utf-8;q=1.0,utf-16;q=1.0,iso-8859-1;q=0.6,*;q=0.1
Accept-Language: en
Referer: http://www.XXXXXXXX.co.uk/home/_site/channels/savings/tax-free-savings/fixed-rate-cash-isa/index.html
User-Agent: SAMSUNG-SGH-G600/G600ABHF1 NetFront/3.4 Profile/MIDP-2.0 Configuration/CLDC-1.1
x-wap-profile: "http://wap.samsungmobile.com/uaprof/SGH-G600.xml"
X-Nokia-RemoteSocket: 10.46.195.135:13848
X-Nokia-LocalSocket: 193.35.132.107:8080
X-Nokia-Gateway-Id: NBG/1.0.91/91
X-Nokia-BEARER: GPRS
X-Nokia-CONNECTION_MODE: TCP
Cookie2: $Version=1
X-Orange-ID: b2sjeqTnpjxP0JrtSMLmYw==
X-Forwarded-For: 10.46.195.135, 193.35.132.106
Via: 1.1, 1.1 bdp-proxy2 (NetCache NetApp/6.0.6P1)